Mission Viejo, CA, United States of America

Mark S James

This inventor holds 3 USPTO granted patents. Top assignee: U.S. Energy, Inc.. Active years: 1999-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mark S James. Retrieved from https://idiyas.com/inventor/mark-s-james

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 3

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1999-2000

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3 patents (USPTO):Explore Patents

Title: Mark S James: Innovator in Energy Efficiency

Introduction

Mark S James is a notable inventor based in Mission Viejo, CA (US). He has made significant contributions to the field of energy efficiency through his innovative designs and patents. With a total of 3 patents, his work focuses on improving electrical energy consumption and management.

Latest Patents

One of his latest patents is the Energy Saving Lighting Controller. This system provides, from one power source, one of a plurality of different voltages to a load of electrical energy-consuming devices, without power interruption during transition time. The system includes a power switching circuit, a current sensing circuit, and a control circuit. The power switching circuit produces one of the different voltages in response to a control signal of regulated magnitude. The current sensing circuit measures the output current and produces a measured current signal. The control circuit senses an increase in the measured current signal, indicating an increase in current demand by the load, and outputs a control signal to the power switching circuit, initiating the voltage switching.

Another significant patent is the AC Voltage Regulator. This device provides a desired AC voltage to a load, maintaining it within a predetermined range above and below that of an AC voltage source. The AC voltage regulator features a transformer, with the secondary winding configured to be placed in series with the AC voltage source and the load. A plurality of switches directs current from the AC voltage source through the primary winding of the transformer, while a pulse width modulator controls the switches according to a desired cycle period.

Career Highlights

Mark S James is currently associated with U.S. Energy, Inc., where he continues to develop innovative solutions for energy management. His work has been instrumental in advancing technologies that promote energy efficiency and sustainability.

Collaborations

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Conclusion

Mark S James is a prominent figure in the field of energy efficiency, with a focus on innovative solutions that enhance electrical energy management. His contributions through patents reflect his commitment to advancing technology for a sustainable future.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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